This Febi Suspension Buffer is designed for the front upper placement on your vehicle. Made from durable rubber, it weighs 0.039 kg and has a width of 157 mm. It is compatible with various BMW models including the 5 Series (E39, E60, E61) and 3 Series (E46). Cross-references include BOGE B3417104B, FEBEST BMSI-E39UP, and SWAG 33102149. The OEM part number it replaces is BMW 31331091867. Please use the make and model tool to ensure compatibility with your specific vehicle. If you are unsure, please contact us. Products are designed for intended use and should be installed by a competent individual. Fitting instructions are not typically supplied.